yamaha lower unit oil
Worth a lookShows low returns (0.5%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Incredible$30.23avg listing price — sweet spot $15–$100
Price range
Incredible$15.00–$56.57cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great10.7%search→purchase rate — share of searches ending in a sale
Review moat
Good667.87avg incumbent reviews — the moat a new listing must climb
Growth
Good+39.4%90-day search growth — must beat 0% to launch
Market size
Okay$134K$134K/yr · 41K searches
Competition
Okay70%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, yamaha lower unit oil is a $134K/yr Amazon United States market (41K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr–May–Oct. Verdict: Worth a look — 51/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
yamaha lower unit oil market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- $151K–$181K
- units × avg price
- Conversion rate
- 10.7%
- Avg BSR
- #126
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 27%
- Out of stock
- 0.0%
- Avg brand age
- 78 months
- Avg seller age
- 154 days
Competition & brand share
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.Brands
5 falling
Sellers
41
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
70%
Top 20: 100%
Open market
0%
- Yamaha Motor75%
- STONEMUSLE15%
- PWC Parts Co6%
- SeaSierra2%
- Quicksilver2%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +39.4% search growth over the last 90 days.Peak months: Mar, Apr, May, Oct · busiest ÷ quietest = 3.0×
Top yamaha lower unit oil search terms
- yamaha lower unit gear oil12K/yr
- yamalube 80w90 gear oil12K/yr
- yamaha lower unit oil4K/yr
- yamalube gear oil4K/yr
- yamaha gear lube4K/yr
- yamaha gear oil3K/yr
- yamaha lower unit oil change kit2K/yr
Top yamaha lower unit oil products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Yamaha Yamalube Marine Lower Unit Gear Lube HD- 1 Quart #Acc-GLUBE-HD-QT
Yamaha Motor$16.164.7★217 rev
Yamaha Original OEM Yamalube Acc-GEARL-UB-QT Marine Lower Unit Gearcase Lube Yamalube OEM - 2 Quarts
Yamaha Motor$30.944.8★58 rev
YAMAHA Yamalube OEM Outboard Gear Lube Kit w/Pump ACC-GEARL-UB-QT Lower Unit Oil 90430-08003-00 Gaskets 2 Stroke 4 Stroke F15 F20 F25 F40 F50 F60 F70 F75 F90 F115 F150 F175 F200 F225 F250 150 175
STONEMUSLE$33.474.8★702 rev
Yamaha Yamalube Marine Lower Unit Gearcase Lube- 1 Quart and Pump Plus Gasket #Acc-GEARL-UB-QT
Yamaha Motor$34.524.8★51 rev
Yamaha Yamalube Marine Lower Unit Gearcase Lube- 1 Gallon #Acc-GEARL-UB-GL
Yamaha Motor$45.584.6★42 rev
Newest
by launch date
Yamaha Original OEM Yamalube Acc-GEARL-UB-QT Marine Lower Unit Gearcase Lube Yamalube OEM - Kit with Pump and Gaskets
Yamaha Motor$56.5712 rev
Outboard Lower Unit Gear Lube Oil Pump for Mercury Yamaha Evinrude Motors
SeaSierra$15.00185 rev
Yamaha Yamalube Side by Side Gear Oil- 32 Ounce #ACC-GROIL-G5-QT
Yamaha Motor$17.7748 rev
Yamaha Yamalube Side-by-Side Gear Oil- (Qty 2) 32 Ounce #ACC-GROIL-G5-QT
Yamaha Motor$35.977 rev
Yamaha Original OEM Yamalube Acc-GEARL-UB-QT Marine Lower Unit Gearcase Lube Yamalube OEM - 2 Quarts
Yamaha Motor$30.9458 rev
Trending
90-day click momentumYamaha Original OEM Yamalube Acc-GEARL-UB-QT Marine Lower Unit Gearcase Lube Yamalube OEM - 2 Quarts
Yamaha Motor$30.944.8★
Yamaha Yamalube Marine Lower Unit Gearcase Lube- 32 Ounces #Acc-GEARL-UB-QT
Yamaha Motor$20.354.6★
Yamaha Yamalube Side-by-Side Gear Oil- (Qty 2) 32 Ounce #ACC-GROIL-G5-QT
Yamaha Motor$35.975.0★
Yamaha Yamalube Marine Lower Unit Gearcase Lube- 1 Quart and Pump Plus Gasket #Acc-GEARL-UB-QT
Yamaha Motor$34.524.8★
Yamaha Original OEM Yamalube Acc-GEARL-UB-QT Marine Lower Unit Gearcase Lube Yamalube OEM - Kit with Pump and Gaskets
Yamaha Motor$56.574.9★
What buyers say about yamaha lower unit oil
What buyers praise and complain about, mined from review topics.What buyers love
“Great kit”
“Great Value”
“As advertised”
“Did its job”
“Easy to use”
“Proper fit”
“Also used part of kit to pump up gearcase to 10lbs check for leaks worked great”
“Product worked fine”
“works great used on outboard motor”
“Smooth ride now level of noise is now smoother”
What buyers complain about
“Fill hose does not securely fit the pump”
“No directions in the box”
“Is it just me or is everyone checking Gl-4 vs this Gl-5 lube”
“but the 3/8 swivel adapter is NOT a swivel as the description says”
“Could be a little easier to screw on”
“Broke on first use”
“Junk”
“What a mess”
“just wish it were cheaper”
Top return reasons
Common questions
- Is yamaha lower unit oil profitable to sell on Amazon United States?
- The niche generates $134K/yr across 15 tracked products. 90-day search growth is +39.4%. Flapen's verdict: Worth a look (51/100).
- How competitive is the yamaha lower unit oil niche?
- 5 brands and 41 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in yamaha lower unit oil?
- Top complaints mined from reviews: Size-Overall, Instructions/User Manual/Troubleshooting, Lubrication. The return rate is 0.5%.
- When does demand for yamaha lower unit oil peak?
- Demand peaks in Mar–Apr–May–Oct; the busiest month runs 3.0× the quietest.
- What does it cost to enter the yamaha lower unit oil niche?
- Listings span $15.00–$56.57; the average listing price is $30.23 (sweet spot $15–$100). The average incumbent carries 668 reviews — the moat a new listing must climb.